Classification
780 - Music
900 - History & geography
243
700 - The arts; fine & decorative arts
211
320 - Political science
102
330 - Economics
93
100 - Philosophy & psychology
84
301 - Sociology & anthropology
83
370 - Education
64
140 - Specific philosophical schools
47
800 - Literature & rhetoric
42
200 - Religion
41
300 - Social sciences
39
600 - Technology
38
400 - Language
34
610 - Medicine & health
25
000 - Computer science, information & general works
24
380 - Commerce, communications & transportation
23
333 - Economics of land & energy
22
620 - Engineering & allied operations
20
340 - Law
18
410 - Linguistics
18
500 - Natural sciences & mathematics
17
781 - General principles & musical forms
16
304 - Factors affecting social behavior
14
658 - General management
14
363 - Other social problems & services
13
720 - Architecture
13
770 - Photography, photographs & computer art
12
791 - Public performances
12
331 - Labor economics
10
170 - Ethics
8
576 - Genetics & evolution
8
297 - Islam, Babism & Bahai Faith
7
398 - Folklore
7
530 - Physics
6
612 - Human physiology
5
782 - Vocal music
5
381 - Commerce
4
580 - Plants (Botany)
4
581 - Specific topics in natural history
4
361 - Social problems & social welfare in general
3
414 - Phonology & phonetics
3
590 - Animals (Zoology)
2
630 - Agriculture & related technologies
2
809 - History, description & criticism
2
830 - Literatures of Germanic languages
2
026 - Libraries for specific subjects
1
111 - Ontology
1
160 - Logic
1
230 - Christianity & Christian theology
1
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